Added Google Chat client as a new WebKit example

Reviewed-by: Simon Hausmann <simon.hausmann@nokia.com>

10 files changed, 565 insertions, 1 deletions

diff --git a/demos/qtdemo/xml/examples.xml b/demos/qtdemo/xml/examples.xml
index 07c2691..667f9f2 100644
--- a/demos/qtdemo/xml/examples.xml
+++ b/demos/qtdemo/xml/examples.xml
@@ -217,6 +217,7 @@
     <example filename="formextractor" name="Form Extractor" />
     <example filename="previewer" name="HTML Previewer" />
     <example filename="fancybrowser" name="Fancy Browser" />
+    <example filename="googlechat" name="Google Chat" />
   </category>
   <category dirname="xml" name="XML">
     <example filename="saxbookmarks" name="SAX Bookmarks" />
diff --git a/doc/src/examples.qdoc b/doc/src/examples.qdoc
index 2b7aea3..efe9b2f 100644
--- a/doc/src/examples.qdoc
+++ b/doc/src/examples.qdoc
@@ -348,6 +348,7 @@
     \list
     \o \l{webkit/previewer}{Previewer}\raisedaster
     \o \l{webkit/formextractor}{Form Extractor}
+    \o \l{webkit/googlechat}{Google Chat}
     \o \l{webkit/fancybrowser}{Fancy Browser}
     \endlist
 
diff --git a/doc/src/examples/googlechat.qdoc b/doc/src/examples/googlechat.qdoc
new file mode 100644
index 0000000..f2d61cf
--- /dev/null
+++ b/doc/src/examples/googlechat.qdoc
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \example webkit/googlechat
+    \title Google Chat Example
+
+    The Google Chat example shows how to use implement a simple Google Chat
+    client with QtWebKit.
+
+    \image googlechat-example.png
+
+*/
diff --git a/doc/src/images/googlechat-example.png b/doc/src/images/googlechat-example.png
new file mode 100644
index 0000000..0338445
--- /dev/null
+++ b/doc/src/images/googlechat-example.png
diff --git a/examples/webkit/googlechat/form.ui b/examples/webkit/googlechat/form.ui
new file mode 100644
index 0000000..3b9fb82
--- /dev/null
+++ b/examples/webkit/googlechat/form.ui
@@ -0,0 +1,214 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form</class>
+ <widget class="QWidget" name="Form">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>286</width>
+    <height>413</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Google Talk Client</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="margin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QStackedWidget" name="stackedWidget">
+     <property name="currentIndex">
+      <number>1</number>
+     </property>
+     <widget class="QWidget" name="page_3">
+      <layout class="QVBoxLayout" name="verticalLayout_4">
+       <item>
+        <spacer name="verticalSpacer_4">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>170</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item>
+        <widget class="QLabel" name="statusLabel">
+         <property name="text">
+          <string>TextLabel</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QProgressBar" name="progressBar">
+         <property name="value">
+          <number>24</number>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="verticalSpacer_5">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>169</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="page">
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <spacer name="verticalSpacer_3">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>119</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item>
+        <widget class="QLabel" name="userNameLabel">
+         <property name="text">
+          <string>Google username:</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLineEdit" name="userNameEdit"/>
+       </item>
+       <item>
+        <spacer name="verticalSpacer_2">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeType">
+          <enum>QSizePolicy::Fixed</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>17</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item>
+        <widget class="QLabel" name="passwordLabel">
+         <property name="text">
+          <string>Password:</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLineEdit" name="passwordEdit">
+         <property name="echoMode">
+          <enum>QLineEdit::Password</enum>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="verticalSpacer">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>118</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout">
+         <item>
+          <spacer name="horizontalSpacer">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+         <item>
+          <widget class="QPushButton" name="loginButton">
+           <property name="text">
+            <string>Login</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="horizontalSpacer_2">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+        </layout>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="page_2">
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <property name="spacing">
+        <number>0</number>
+       </property>
+       <property name="margin">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="QWebView" name="webView">
+         <property name="url">
+          <url>
+           <string>about:blank</string>
+          </url>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QWebView</class>
+   <extends>QWidget</extends>
+   <header>QtWebKit/QWebView</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/examples/webkit/googlechat/googlechat.cpp b/examples/webkit/googlechat/googlechat.cpp
new file mode 100644
index 0000000..9ac2cd2
--- /dev/null
+++ b/examples/webkit/googlechat/googlechat.cpp
@@ -0,0 +1,163 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QtWebKit>
+
+#include "googlechat.h"
+
+#define GOOGLECHAT_URL "http://talkgadget.google.com/talkgadget/m"
+
+GoogleChat::GoogleChat(): QWidget() {
+    form.setupUi(this);
+    setFixedSize(320, 480);
+
+    form.userNameEdit->setFocus();
+    connect(form.userNameEdit, SIGNAL(textChanged(QString)), SLOT(adjustLoginButton()));
+    connect(form.userNameEdit, SIGNAL(returnPressed()), SLOT(inputPassword()));
+
+    connect(form.passwordEdit, SIGNAL(textChanged(QString)), SLOT(adjustLoginButton()));
+    connect(form.passwordEdit, SIGNAL(returnPressed()), SLOT(doLogin()));
+
+    form.loginButton->setEnabled(false);
+    connect(form.loginButton, SIGNAL(clicked()), SLOT(doLogin()));
+
+    connect(form.webView, SIGNAL(loadFinished(bool)), SLOT(initialPage(bool)));
+    connect(form.webView, SIGNAL(loadProgress(int)),
+            form.progressBar, SLOT(setValue(int)));
+    form.webView->setUrl((QUrl(GOOGLECHAT_URL)));
+    form.webView->setContextMenuPolicy(Qt::PreventContextMenu);
+
+    showStatus("Wait...");
+}
+
+void GoogleChat::showStatus(const QString &msg) {
+    form.statusLabel->setText(msg);
+    form.stackedWidget->setCurrentIndex(0);
+}
+
+void GoogleChat::showError(const QString &msg) {
+    form.progressBar->hide();
+    showStatus(QString("Error: %1").arg(msg));
+}
+
+QString GoogleChat::evalJS(const QString &js) {
+    QWebFrame *frame = form.webView->page()->mainFrame();
+    return frame->evaluateJavaScript(js).toString();
+}
+
+void GoogleChat::adjustLoginButton() {
+    userName = form.userNameEdit->text();
+    password = form.passwordEdit->text();
+    bool ok = !userName.isEmpty() && !password.isEmpty();
+    form.loginButton->setEnabled(ok);
+}
+
+void GoogleChat::inputPassword() {
+    if (!form.userNameEdit->text().isEmpty())
+        form.passwordEdit->setFocus();
+}
+
+void GoogleChat::doLogin() {
+    userName = form.userNameEdit->text();
+    password = form.passwordEdit->text();
+    bool ok = !userName.isEmpty() && !password.isEmpty();
+    if (!ok)
+        return;
+
+    form.progressBar->setValue(0);
+    form.progressBar->show();
+    connect(form.webView, SIGNAL(loadFinished(bool)), SLOT(loginPage(bool)));
+    connect(form.webView, SIGNAL(loadProgress(int)),
+            form.progressBar, SLOT(setValue(int)));
+    showStatus("Logging in...");
+
+    QString userEmail = userName + "@gmail.com";
+    evalJS(QString("document.getElementById('Email').value = \"%1\";").arg(userEmail));
+    evalJS(QString("document.getElementById('Passwd').value = \"%1\";").arg(password));
+    evalJS("document.getElementById('gaia_loginform').submit();");
+}
+
+void GoogleChat::initialPage(bool ok) {
+    if (ok) {
+        QString s1 = evalJS("document.getElementById('Email').name");
+        QString s2 = evalJS("document.getElementById('Passwd').name");
+        QString s3 = evalJS("document.getElementById('gaia_loginform').id");
+        if (s1 == "Email" && s2 == "Passwd" && s3 == "gaia_loginform") {
+            form.stackedWidget->setCurrentIndex(1);
+            form.webView->disconnect();
+            return;
+        }
+    }
+
+    showError("SERVICE unavailable.");
+}
+
+void GoogleChat::hideElements()
+{
+    evalJS("var e = document.getElementsByClassName('footer-footer')[0]; e.parentElement.removeChild(e)");
+    evalJS("var e = document.getElementsByClassName('title-bar-bg title-bar')[0]; e.parentElement.removeChild(e)");
+    QTimer::singleShot(2000, this, SLOT(hideElements()));
+}
+
+void GoogleChat::loginPage(bool ok) {
+    QString location = form.webView->url().toString();
+    if (!ok) {
+        if (location.indexOf("CheckCookie"))
+            return;
+        showError("Service unavailable");
+    } else {
+        // check for any error message
+        QString c = evalJS("document.getElementsByClassName('errormsg').length");
+        if (c == "0") {
+            form.stackedWidget->setCurrentIndex(2);
+            QTimer::singleShot(500, this, SLOT(hideElements()));
+            return;
+        }
+
+        QString err = "Unknown login failure.";
+        if (c == "1") {
+            err = evalJS("document.getElementsByClassName('errormsg')[0].textContent");
+            err = err.simplified();
+        }
+        showError(err);
+    }
+}
diff --git a/examples/webkit/googlechat/googlechat.h b/examples/webkit/googlechat/googlechat.h
new file mode 100644
index 0000000..c92632c
--- /dev/null
+++ b/examples/webkit/googlechat/googlechat.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QWidget>
+
+#include "ui_form.h"
+
+class GoogleChat: public QWidget
+{
+    Q_OBJECT
+
+public:
+    GoogleChat();
+
+protected:
+    void showStatus(const QString &msg);
+    void showError(const QString &msg);
+    QString evalJS(const QString &js);
+
+private slots:
+
+    void adjustLoginButton();
+    void inputPassword();
+    void doLogin();
+    void initialPage(bool ok);
+    void loginPage(bool ok);
+    void hideElements();
+
+private:
+    Ui::Form form;
+    QString userName;
+    QString password;
+};
diff --git a/examples/webkit/googlechat/googlechat.pro b/examples/webkit/googlechat/googlechat.pro
new file mode 100644
index 0000000..14b7085
--- /dev/null
+++ b/examples/webkit/googlechat/googlechat.pro
@@ -0,0 +1,11 @@
+QT      +=  webkit
+HEADERS =   googlechat.h
+SOURCES =   main.cpp \
+            googlechat.cpp
+FORMS = form.ui
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/webkit/googlechat
+sources.files = $$SOURCES $$HEADERS $$FORMS *.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/webkit/googlechat
+INSTALLS += target sources
diff --git a/examples/webkit/googlechat/main.cpp b/examples/webkit/googlechat/main.cpp
new file mode 100644
index 0000000..26feeea
--- /dev/null
+++ b/examples/webkit/googlechat/main.cpp
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "googlechat.h"
+
+int main(int argc, char * argv[])
+{
+    QApplication app(argc, argv);
+    GoogleChat *chat = new GoogleChat;
+    chat->show();
+    return app.exec();
+}
diff --git a/examples/webkit/webkit.pro b/examples/webkit/webkit.pro
index a49830a..225816a 100644
--- a/examples/webkit/webkit.pro
+++ b/examples/webkit/webkit.pro
@@ -1,7 +1,8 @@
 TEMPLATE =  subdirs
 SUBDIRS +=  formextractor \
             previewer \
-            fancybrowser
+            fancybrowser \
+            googlechat
 
 # install
 target.path = $$[QT_INSTALL_EXAMPLES]/webkit